Kathryn Hammer, PT
NPI 1023198991 · Physical Therapist · Mukwonago, WI
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Hammer, PT is a Physical Therapist provider in Mukwonago, WI (NPI 1023198991).
Provider details
- NPI number
- 1023198991
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- 5459-024 (WI)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,026 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 1,246 | $24 |
| Therapy Procedure Using Functional Activities97530 | 720 | $30 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 500 | $19 |
| Application of Electrical Stimulation With Therapist Present, Each 15 Minutes97032 | 480 | $10 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 60 | $25 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 20 | $95 |
Typical Medicare-allowed amounts for these services range $10–$95 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2024-11-27
- Certified
- 2024-11-27
Frequently asked questions
- What is Kathryn Hammer's NPI number?
- Kathryn Hammer's National Provider Identifier (NPI) is 1023198991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Hammer's specialty?
- Kathryn Hammer is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kathryn Hammer located?
- Kathryn Hammer's practice location on file with NPPES is 955 Main St Ste Cd, Mukwonago, WI 53149-1752.
- What is Kathryn Hammer's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Hammer is (262) 662-9760.
- Does Kathryn Hammer accept Medicare?
- Kathryn Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Hammer's NPI active?
- Yes — Kathryn Hammer's NPI (1023198991) is active in the NPPES registry as of the last update on 2024-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.